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While in High PO2 Mode, the Alternate Displays previously described can be accessed
using the Advance (Front) button, and the Backlight can be activated using the Select
(Side) button.
NOTE: While in High PO2 Mode, the XP 5 will automatically revert to
the Main Display after 3 seconds unless the Advance (Front) button is
pressed to view another display of information.
HIGH OXYGEN ACCUMULATION
It is important that you understand that conducting repetitive dives using
enriched nitrogen-oxygen mixtures can lead to oxygen buildup, reducing
oxygen tolerance while increasing the risk of pulmonary oxygen toxicity.
SEEMANN strongly recommends that you avoid exceeding oxygen exposure
limits, and reminds you that nitrox diving requires special training and
understanding of the effects of oxygen toxicity.
The O2 Bar Graph provides a graphic representation of your oxygen accumulation,
displaying either oxygen accumulated during that dive, or during the repetitive dives
you conduct during that 24 hour period, whichever of the two is greater at that time.
The yellow Caution Zone of the O2 Bar Graph offers you a convenient way to con-
sistently monitor how close you are coming to the limits of oxygen exposure. Use it
as a visual reference to place a wider margin of protection between you and
the Limits.